Contact Us

Have a question, found an error, or want to suggest a feature? We'd love to hear from you.

Report a Data Issue

If you notice incorrect card information, outdated offers, or a rule that isn't working as expected, please let us know. Accurate data is our top priority.

Open an issue on GitHub

Feature Suggestions

Have an idea for a new feature or improvement? We welcome all suggestions that help people make better credit card decisions.

Suggest a feature

General Inquiries

For general questions, partnership inquiries, or anything else, feel free to reach out via email.

[email protected]

Note: CardOptimizer is an independent tool and is not affiliated with any credit card issuer. We cannot assist with specific application decisions, account issues, or disputes. For those, please contact your card issuer directly.

You might also find answers on our How It Works page, which explains all eligibility rules in detail.